Table 2.

Multivariable regression analysis of potential associated factors with SARS-CoV-2 infection and COVID-19 severity in kidney transplant recipients and haemodialysis patients

KTR vs HD	SARS-CoV-2 infection	P-value	Hospital admission	P-value	Severe COVID-19	P-value
Unadjusted	HR 1.30 [95% CI 0.74–2.30]	0.36	HR 3.37 [95% CI 1.21–10.10]	0.03	HR 4.58 [95% CI 0.58–35.70]	0.39
Adjusted Model 1	HR 1.19 [95% CI 0.63–2.26]	0.59	HR 4.75 [95% CI 1.23–18.35]	0.02	n.a
Adjusted Model 2	HR 1.50 [95% CI 0.76–2.98]	0.25	n.a		n.a

Model 1 included as covariates: sex, age. Model 2 included as covariates: sex, age, dialysis or transplant vintage, diabetes, smoking habit, coronary heart disease and hypertension. KTR, kidney transplant recipients; HD, haemodialysis; SARS-CoV-2, severe acute respiratory coronavirus 2; COVID-19, coronavirus disease 2019